National Item Identification Number

01-415-0644
014150644
5305-01-415-0644
5305014150644

National Stock Number

Item Name

SCREW,CAP,SOCKET HEAD

Federal Supply Class

5305

Description

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Commercial and Government Entity Code (Supplier Data)

---

53711

---

---

53711

---

---

Reference Numbers (Part Numbers)

211069130
801-6408784-1

Required Categories

THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR

Required Description

UNRC
0.250 INCHES
20
3A
1.000 INCHES NOMINAL
NICKEL ALLOY K-500 OVERALL
24